[R] plot with ylim with regural interval

[David Winsemius]

On Jan 30, 2012, at 1:28 PM, gianni lavaredo wrote:

> Dear Researchers,
>
> sorry for the easy question but Is it possible to plot with an  
> interval of
> 1 or .5 in a plot using ylim?
>
> Thanks
> gianni
>
> x = 0:10;
> y = 0:10;
>
> plot(x~y,ylim=c(0,10),las=1)

plot(x~y,ylim=c(0,10), xaxt="n")
axis(1, at=seq(0, 10, by=0.5) , labels= seq(0, 10, by=0.5),  
cex.axis=0.75)

Unless you make the cex.axis number small enough, axis() won't put  
them all in.
>
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>
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT